尝试删除此类项目，并根据其键值删除本地存储项目

try removing items like this, removing local storage items by their key values

//syntax is localStorage.removeItem('keyName');
//so if your key name is checked                  
localStorage.removeItem('checked');

请参见以下链接，以了解有关本地存储.

See this Link for reading about local storage.